html,
body{
    padding: 0;
    margin: 0;
}
body{
    padding: 15px;
    background-color: #f0f2f4;
}
.layui-card-header{
display: flex;
justify-content: space-between;
 align-items: center;
}
.layui-form{
    padding-top: 20px;
    padding-right: 30px;
}